
Constructions Siebenaller SA
7, allée John W. Léonard L-7526 MerschPrincipal information
- 7, allée John W. Léonard L-7526 Mersch
- +352 32 92 32 1
- +352 26 32 16 01
- info@cs7.lu
- www.cs7.lu
- Creation date : 1978
Decision makers
Executive direction

- Michael Siebenaller
- Directeur
Board members

- Annelise Siebenaller
- Administrateur

- Alexandre Teixeira
- Administrateur
Key numbers
Administrative data
Trade register :
B73747
International VAT :
LU18241857
| Year | Luxembourg employees |
|---|---|
| 2015 | 70 |